Malikova A.A. “Diagnostics of Heart Failure Development in Children With Congenital Ventricular Septal Defect After Surgery”. International Journal of Medical Sciences And Clinical Research 6, no. 02 (February 28, 2026): 109–116. Accessed March 21, 2026. https://theusajournals.com/index.php/ijmscr/article/view/9342.